-73.23% is the change from 833 to 223
Calculation steps:
[( 223 - 833 ) ÷ 833] x 100 = -73.23%
Formula
Percentage change = [(223 - 833) / 833] x 100
Subtract the new number by the original number
223 - 833 = -610
-610 ÷ 833 = -0.7322929171668667
-0.7322929171668667 x 100 = -73.23%